


🎧 Elevate your audio game—because your ears deserve the best.
The Research ER2XR Extended Response in-Ear Earphones deliver premium sound clarity through balanced armature drivers, supporting both wired 3.5mm and Bluetooth connectivity. Designed for professionals and audiophiles alike, their ergonomic fit and touch controls make them ideal for music, gaming, and work environments across multiple devices.






| Headphones Jack | 3.5 mm Jack |
| Model Name | ER2XR |
| Connectivity Technology | Wired |
| Wireless Communication Technology | Bluetooth |
| Age Range (Description) | Adult |
| Material | Plastic |
| Specific Uses For Product | Music, Gaming, Work/Office |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops, Gaming Consoles, Music Production Equipment |
| Control Type | Volume Control |
| Item Weight | 0.19 Kilograms |
| Style | In-ear |
| Control Method | Touch |
| Number of Items | 1 |
| Cable Length | 4 Feet |
| Audio Driver Type | Balanced Armature Driver |
| Series number | 2 |
| Hardware Interface | 3.5mm Audio |
| UPC | 846430002203 |
| Input Device Interface | Audio jack |
| Supports Bluetooth Technology | Yes |
| Special Feature | in-ear |
| Global Trade Identification Number | 00846430002203 |
| Manufacturer | Etymotic Research |
| Model | ER2XR |
| Item model number | ER2XR |
| Special Features | in-ear |
| Batteries Included | No |
| Batteries Required | No |
| Form Factor | In Ear, In ear |
| Does it contain liquid? | No |
| Includes Rechargeable Battery | No |
| Includes AC Adapter | No |
| Item Weight | 190 g |
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